Earth-moving machine



E. OKLEJAS EARTH MOVING MACHINE Feb. 1, 1949.

3 Sheets-Sheet 1 Filed Oct. 15, 1945 INVENTOR.

flTTOF/VEYS.

Feb. 1,1949. E, OKLEJAS 2,460,764

EARTH MOVING MACHINE Filed Oct. 15, 1945 s Shecs-Sheet 2 INVENTOR.

Feb. 1, 1949. E. OKLEJAS EARTH MOVING MACHINE 3 Sheets-Sheet 3 Filed Oct. 15, 1945 ZZZ wzz m INVENTOR.

Patented Feb. 1, 1949 UNITED STATES, PATENT OFFICE accuser EARTH-MOVING an Oklejasj, Monroe,.lVIich. Application October 15, 19%;. S'erialNo; 622,320

(01. zip-12c) 'TGIaims. 1:

This invention relates to-a machine designed. for excavating and. conveying. earth one of the objects being, to provide a machine. with" a carrier in the form of an elongated pan or receptacle which is equipped at one end with means for leading, the same during. the movement of themachi'ne in one direction, while the other end; is equipped with an eicctingmeans bywhich the contents of. the carrier can be expelledflforcibl'y when desired.

Another object is to provide the carrier witha door at itsreceiving end, the operation of which is constantly underthe control of. the; operator;

A still further object is to utilize hydraulic jacks iorvcontrolling' the. operation of the work'- ingparts; the controls for the jacks being; positioned where they are readily accessible at all times bythe operator.

With the foregoing and other objects in view will appear as" the description proceeds. the invention. consists of certain novel details of construction and. combinations. of parts hereinaftennrorei fully described and pointed out in. the claims; it being understood that changes may bemade in the construction and arrangement ofpartswithout departing from the spirit of the invention as claimed. i

the: accompanying drawings, the. preferred. formoi the invention has been shown.

In said drawings,

Figure 1 is a side elevation of the machine, an. intemmediate portion of the. carrier. andparts associated therewithbeing broken away andboth the. scoop and the door being. shown in their normal. or closed. positions.

Figure. 2 is atop plan view, an intermediate portion of the machine being broken? away as indicated.

Figure 3' is a central longitudinal section through the loading and carrying portion of the machine, one position of the scoop; door and ejector" being indicated by" full lines and other positions being indicated by broken lines.

Figure 4* is an. enlarged section on line- 4 4, Figure"? Referring to theflgures by; characters of reference; i designates an elongated chassis suitably constructed to meet can be'mounted on any desired number ofwheel's 2 for receiving power through suitable mechafrom an engine 3 while steering wheels- 4' can be suitably connected to the other endloi the machine, and are shiftablepreferably" by mechanism. indicated. generally: at 5?- which is controll'ed by alsteering" wheel 6 No:

the requirements and which claim. is made. for" the specific construction. of this. mechanism. and, therefore, been illustrated on described detail.

Secured to the-:chassis and suspended fixedly thereunder an-elongatedpan or carrier-L which can: be or desired-.- size:. In. the. drawing; a large portion oi this carrier has been brokenaway: for the. purpose of: shortening: the illustrations-.: It is intended to provide a pan having a largelcapacity and this'pan, which can be made of strong: sheet. metal, is openat the top; front and back-.3 'Eo the-iront; edge'oi thebottom 8: of: the: pan hinged. $350001) 9 in. thaiorm. of a stiir plate of: steel or the. like having segmental. sider wings H]: which laptime other surfaces. of the sides of the carrier. oi the. scoop 91s: secured. a cutting bait. LL and when the scoop 9: is in. itsnormal or raised position at which timeitdspreterably aligned with the bottom 8, the cut-ting bar rests upon the lower." edgeportion of a downwardly and rearwardly curved door It having segmental sides 13 which are hingedly connected at- 1- to the sides of the at the. forward endthereof.

The. upper portion. of thedoor 1% is pivotally connected. at I5 to the slidable stem iii of a piston l1 whichisslidably mounted ina-cylinder l8 pivotally supported by the chassis as ind-i.- cated a. L9 The operatiorrof. this piston: is controlled by hydraulic means which includes? a.- control box 20 having suitably located pipe connections: 2 t with the cylinder I18;

The'wingson sides Not. the scoop H areconnectedr by links 22- to' an: arm 23 secured to and extending, from a: transverse rock shaft 24- and another-arm 2-5 is secured to and: extends from. thiSrShaft; and; is: joined. to thepiston rod 26 extending from a: pivotally, mounted cylinder 21.

Armsv 2-5: has a. lug; 2 8- extending; therefrom adapted. to'be1 engaged; by a latch: 2-9 which is pivotallymounted adjacent to the. lever; as. shown at 30 and. has a spring"; QM whic serves to holdthe: latch.

normally imengagementiwith the-lug 28. As-longasthe' latch ene'agesrthe-lug',. th'B sCuop-is. secured:

in raised? or closednpositionr However, by' shifting the" latch; .asrby means of: a pull rod" 32 or the like; the arm 25: i can". be: released. for: actuation by fluid. under pressure: directed. through pipes 33. fromzthecontrol box'zfli.

Located" along the inner surface of each side ot carrier? 1: at thertopathereoi' is a rail? 3.4; which. can be. in the form: of a: channeledastrip', as. shownior;

example; 111 Figure 4; and. extending: between. the.. sisuna two. railsis a;- transverse ably located where 36; wlidch. travel within; the? the same-has'not To the.- forward edgeadapted to be rails for the purpose of supporting the carriage for movement back and forth between the sides of the carrier. I

An ejector in the form of a follower 31 is rigidly connected to and extends downwardly from the carriage and extends close to the bottom 8 and also to the sides of the carrier.

The sides of the carriage 35 are secured to the ends of a cable, chain or the like, indicated at 38. This flexible connection is extended forwardly to guide sheaves 39 and thence laterally to guide sheaves 40. The connection is looped between the sheaves 40 and extended partly around a usual gear casings for holding transmission mechanisms for the vehicle have been indicated at 60, while the transmission-control levers have been indicated at, 6|. A suitable power take off mechanism has been indicated generally at 62 and serves to operate a winch 63.

movably supported sheave 4| connected'to the piston rod 42 plied with a fluid under pressure from the Canof a cylinder 43 adapted to be suptrol box through a pipe 44. Another icylinder 45 is located adjacent to the top of the carrier piston rod 46 connected to a block 41 and has a having a sheave '48 which is engaged by the looped portion 49 of an operating cable, chain or other flexible connection 50.' One end of this cable is fixed to'the rear portion of the carrier, as indicated at 5|. The other end portion of the cable is extended partly around a sheave 52 supported by the carrier and is then secured to the carriage 35, as shown at 53. The piston and cylinder 45 is operated by fluid under pressure and is to be directed to and from the cylinder through a pipe 54 leading from the control box 20. The valve mechanism in the control box does not form any part of the present invention. It need only be stated that pressure can be directed at will through the various pipes to" the different cylinders for the purpose of actuating the parts controlled thereby. 1 i

When the machine is driven forwardly for the purpose of excavating and carrying material, the

door I 2 is actuated so as to move to an open posi-' tion' as indicated by broken lines in Figure 3. This releases the cutting blade ll so that the scoop 9 can then be'lowered to bring the blade into engagement with the soil as indicated by broken lines in Figure 3. As the machine moves forwardly, this blade will cut'into the soiland the loosened material will the advancing scoop and into the area 8. At this time the ejecting follower 31 is located at theback end ofthe carrier so that the maximum space isprovided' for the purpose of receiving the excavated soil. v

After a full load has been delivered into the carrier, the scope 9 is raised to closed position, the door I2 is closed thereunder as shown by full lines in Figure 3, and the entire machine is then movedto a point where delivery is to be made. On reaching that point the door l2 is-opened and the pull cable 38 is drawn backwardly at the central or looped portion thereof by the piston in cylinder so that the carriage is drawn forwardly with the result that ejecting follower 31 presses material in the path thereof toward the open end of the carrier and delivers it therefrom. During this operation the connection 50 isbeing paid out. Thereafter cable 50 isused as a pulling mediumby directing fluid under pressure to cylinder 45 with the resultthat' the carriage 35 is drawn rearwardlyto the rear end of the carrier, which is its normal or initial position, and themachine is then ready to repeat the foregoing operation,

The mechanism employed for driving the machine and the working parts thereof'do not form any part of the present invention, but can be constructed and arranged to meet thelequirements. It is'preferred to provid'eia cab'55 at the rear or be directed upwardly by number of wheels 2 I The carrier 1 can be of any desired length and capacity and in larger types of machines the can be increased and power transmitted to all of What is claimed:

1. In an earth moving machine, a movably supported chassis, a carrier suspended thereunder and fixed relative thereto, a scoop constituting a bottom section of the 'carrier and mounted for swinging movement relative thereto, said scoop being normally in closed position against the carrier, said carrier being open at one end, .a door hingedly connected to the open end of thejcarrier andnormally positioned under one end of the scoop to constitute a support for said end, and separate hydraulically operated means under the control of an operator for opening the door to release the scoop and for lowering the scoop.

2. An earth moving machine including a movably supported chassis, a carrier fixedly joined to and extended from the chassis, said carrier being open at one end, a scoop constituting a closure fora portion of the bottom of the carrier and extending to said end, acutting bar on the scoop at said end of the carrier, a door supported in front of and pivotally connected to the carrier and normally extended under the bar to support the scoop in closed position, and separate means under the control of an operator for actuating the door to release the scoop and for actuating the scoop to move into or:out of normal position.

'3. An earth moving machine including a movably supported chassis, a carrier fixedly joined to and extending from the chassis, said carrier having an open end, a scoop hingedly joined to the bottom of the carrier and normally positioned to close a portion of the carrier,a cutting bar extended across oneend of'the scoop, a door supported beyond the open end of the carrier and hingedlyconnected to said carrier, said door being normally positioned under the bar to support the scoop, a follower mounted for movement longitudinally of the carrier and extending transversely therein, and's'eparate means under the control of an operator for shifting the door to release the scoop, and moving the follower toward or from the door. I

4." In an earth moving machine a movably supported chassis, a'carrier fixedly connected to and depending from the chassis, said carrier being open at one end, a scoop hingedly connected to the bottom of the carrier and normally positioned to close a portion of the carrier, a door hingedly connected to the open end of the carrierand normally supported beyond the carrier and under one edge portion of "the scoop, to support the scoop: innormal position, a rock'shaft, separate arms extending therefrom, means under the control 0f,'an operator for actuating one of the arms,

-latching means for engaging said arm to hold-it them by usual mechanisms.

latching means, and an operating connection between the other arm and the scoop.

5. In an earth moving machine a movably supported chassis, a carrier fixedly connected to and depending from the chassis, said carrier being open at one end, a scoop hingedly connected to the bottom of the 'carrier and normally positioned to close a portion of the carrier, a door hingedly connected to the open end of the carrier and normally supported beyond the carrier and under one edge portion of the scoop to support the scoop in normal position, a rock shaft, separate arms extending therefrom, means under the control of an operator for actuating one of the arms, latching means for engaging said arm to hold it normally in one position, means for releasing the latching means, and an operating connection between the other arm and the scoop, and means for shifting the door to release the scoop for actuation.

6. In an earth moving machine a movably supported chassis, a carrier fixedly connected to and depending from the chassis, said carrier being open at one end, a scoop hingedly connected to the bottom of the carrier and normally positioned to close a portion of the carrier, a door hingedly connected to the open end of the carrier and normally supported beyond the carrier and under one edge portion of the scoop to support the scoop in normal position, a rock shaft, separate arms extending therefrom, means under the control of an operator for actuating one of the arms, latching means for engaging said arm to hold it normally in one position, means for releasing the latching means, and an operating connection between the other arm and the scoop, and means for shifting the door to release the scoop for actuation, a follower in the carrier, a carriage mounted for movement longitudinally of the carrier andjoined to the follower, and means under the control of an operator for shifting the carriage toward or from the open end of the carrier, thereby to actuate the follower.

'7. An earth moving machine including a chassis supported for movement, a carrier suspended from the chassis and open at one end, a scoop having its rear end hingedly connected to the carrier adjacent the rear end of the carrier, the front end of the scoop being swingable relative to the carrier, said scoop constituting a bottom section of the carrier and normally closing the bottom of the carrier, a door hingedly connected at its upper end to the open end of the carrier and normally supported beyond the carrier, the lower end of the door being normally positioned under the front end of the scoop to support the same, and means under the control of an operator for shifting the door to release the scoop for movement from normal position.

. ELI OKLEJAS.

REFERENCES CITED UNITED STATES PATENTS Name Date Warren Oct. 6, 1908 Number r 

